Cita APA (7a ed.)

JOSE.V.T & D'SOUZA, G. &. J. (2015). EASY MATHS -4. FRANK EDUCATIONAL AIDS.

Cita Chicago Style (17a ed.)

JOSE.V.T & D'SOUZA, GEORGE.A & JOSEPH. EASY MATHS -4. FRANK EDUCATIONAL AIDS, 2015.

Cita MLA (9a ed.)

JOSE.V.T & D'SOUZA, GEORGE.A & JOSEPH. EASY MATHS -4. FRANK EDUCATIONAL AIDS, 2015.